Shark expert Chris Lowe drove down to Del Mar in San Diego on a recent day to talk to a group of nervous swimmers. One of their own, a 46-year-old man, had been bit by a shark during an ocean swim a ...

Here’s something Californians may not know: When some great white sharks get within about 100 yards of certain state beaches, lifeguards get a text alert. A Cal State Long Beach program developed this ...